---
title: MemFree User Guide
description: How to use MemFree better
---

## MemFree Index

### How to index local files

<Image
    className="mt-4 overflow-hidden rounded-lg"
    width="800"
    height="600"
    src="https://utfs.io/f/ec5a6f80-6cc9-4546-9e17-f1bba7b9c2da-8eg36e.png"
    alt="memfree-index-local-files-1"
/>

<Image
    className="mt-4 overflow-hidden rounded-lg"
    width="800"
    height="600"
    src="https://utfs.io/f/3c36b62c-0628-4781-a9c9-9660aa00986d-tvdslh.png"
    alt="memfree-index-local-files-2"
/>

### How to index public web page

<Image
    className="mt-4 overflow-hidden rounded-lg"
    width="800"
    height="600"
    src="https://utfs.io/f/ec5a6f80-6cc9-4546-9e17-f1bba7b9c2da-8eg36e.png"
    alt="memfree-index-web-page-1"
/>

<Image
    className="mt-4 overflow-hidden rounded-lg"
    width="800"
    height="600"
    src="https://utfs.io/f/9a0ea60c-855c-4446-81f3-ea8e047a9845-gmqdn3.png"
    alt="memfree-index-web-page-2"
/>

### How to index private web page

<Image
    className="mt-4 overflow-hidden rounded-lg border"
    src="/images/changelog/extension-index.webp"
    width="800"
    height="450"
    alt="memfree chrome extension index web page"
/>

Web pages that require login cannot be accessed directly, so browser extensions are needed to index them.

Please refer to the [How to Index Web Pages](/docs/index-bookmarks#how-to-index-bookmarks) for detailed instructions on how to index private web pages using the MemFree Chrome Extension.

### How to index Chrome bookmarks

<Image
    className="my-4 overflow-hidden rounded-lg border"
    width="800"
    height="450"
    src="/images/doc/extension-bookmarks.webp"
    alt="memfree chrome extension index bookmarks"
/>

Please refer to the [How to Index your Chrome bookmarks](/docs/extension-user-guide#how-to-index-your-chrome-bookmarks) for detailed instructions on how to index Chrome bookmarks using the MemFree Chrome Extension.

## MemFree Search

### The Use cases for each AI model

-   **GPT-4o Mini**: Streaming response. Lightweight tasks, such as summarizing text, translation, extracting text from images, etc.

-   **GPT-4o**: Streaming response. Most complex tasks, such as complex writing tasks, advanced content creation and research assistance, etc.

-   **O1-Mini**: Slow. Reasoning model. Especially good at coding, math and science.

-   **O1-Preview**: Slow. Reasoning model. The upgraded version of O1-Mini, can solve complex problems across domains.

-   **Claude 3.5 Sonnet**: Streaming response. As good at coding as O1-Mini.

### How to change AI model

<Image
    className="mt-4 overflow-hidden rounded-lg border"
    width="800"
    height="600"
    src="https://utfs.io/f/115677bd-1287-4ea5-a38f-d1597bf73737-plv9gj.png"
    alt="memfree-AI-model"
/>

### How to change search search

<Image
    className="mt-4 overflow-hidden rounded-lg border"
    width="800"
    height="600"
    src="https://utfs.io/f/d33f452e-faad-465c-bf79-8ef15dde72fe-k2fl7w.png"
    alt="memfree-search-source"
/>

### How to customize profile for better search results

1.  Click the settings button in the left navigation bar.

<Image
    className="mt-4 overflow-hidden rounded-lg border"
    width="800"
    height="600"
    src="https://utfs.io/f/3b09e448-b538-447d-b5fa-412d1494678f-phbtxt.png"
    alt="memfree-settings-button"
/>

2.  Customize your profile for better search results, you could introduce yourself, your profession, your favorite tools or technology stack, etc.

<Image
    className="mt-4 overflow-hidden rounded-lg border"
    width="800"
    height="600"
    src="https://utfs.io/f/a8f4340a-8b0a-4bb2-9f74-4496c3337b44-9o78r4.webp"
    alt="memfree-customize-profile"
/>

### How to search by Local Image

<Image
    className="mt-4 overflow-hidden rounded-lg"
    width="800"
    height="600"
    src="https://utfs.io/f/87fb0594-734a-4639-91b9-349e5358103d-b7kcdi.png"
    alt="memfree-search-local-image-1"
/>

While uploading the image, you can type your question at the same time.

<Image
    className="mt-4 overflow-hidden rounded-lg"
    width="800"
    height="600"
    src="https://utfs.io/f/77545e29-c24d-4400-ac94-ce7334512a15-z3buqo.png"
    alt="memfree-search-local-image-2"
/>

### How to search by Web Image

<Image
    className="mt-4 overflow-hidden rounded-lg"
    width="800"
    height="600"
    src="https://utfs.io/f/fe66d3ea-c290-4092-a312-dbb2e1ff3068-osnrd5.png"
    alt="memfree-search-web-image"
/>

Your question only needs to include a valid web image link.

### How to extract text from Image

<Image
    className="mt-4 overflow-hidden rounded-lg"
    width="800"
    height="600"
    src="https://utfs.io/f/383de14c-add3-4c54-94bb-cbe62d9d8f6e-wgw5qr.png"
    alt="memfree-search-extract-text-from-image"
/>

Both local images and web images are supported

### How to search, summarize and ask local files

<Image
    className="mt-4 overflow-hidden rounded-lg"
    width="800"
    height="600"
    src="https://utfs.io/f/87fb0594-734a-4639-91b9-349e5358103d-b7kcdi.png"
    alt="memfree-search-local-file-1"
/>

While uploading the file, you can type your question at the same time.

<Image
    className="mt-4 overflow-hidden rounded-lg"
    width="800"
    height="600"
    src="https://utfs.io/f/4553acf5-9e0c-464d-9061-48ca9a087e45-jgli3b.png"
    alt="memfree-search-local-file-2"
/>

### How to search, summarize and ask web page and web pdf

<Image
    className="mt-4 overflow-hidden rounded-lg"
    width="800"
    height="600"
    src="https://utfs.io/f/de6a2437-77e7-4e01-a64d-5779d8d7a33b-62jsbj.png"
    alt="memfree-search-web-page"
/>

Your question only needs to include a valid web link.

### How to share the search result

<Image
    className="mt-4 overflow-hidden rounded-lg"
    width="800"
    height="600"
    src="https://utfs.io/f/83f67833-0b4f-4b7e-ae5c-b9a14b13e76d-a2e3mq.png"
    alt="memfree-share-search-result"
/>

## MemFree Settings

### How to delete one search history

<Image
    className="mt-4 overflow-hidden rounded-lg border"
    width="800"
    height="600"
    src="https://utfs.io/f/b645c2a7-4405-4567-8526-ad92c861e69d-pn3uny.png"
    alt="memfree-delete-search-history"
/>

### How to delete all search history

<Image
    className="mt-4 overflow-hidden rounded-lg border"
    width="800"
    height="600"
    src="https://utfs.io/f/3b09e448-b538-447d-b5fa-412d1494678f-phbtxt.png"
    alt="memfree-settings-button"
/>

<Image
    className="mt-4 overflow-hidden rounded-lg border"
    width="800"
    height="600"
    src="https://utfs.io/f/ed874092-2b41-4ed9-97ac-83d53b9ba7d0-ipgnqm.png"
    alt="memfree-delete-all-search-history"
/>
